Home / 2,220,123.60-3,330,185.40-1,889,449.20

Finding the Fourth Proportional to 2,220,123.60, 3,330,185.40 and 1,889,449.20

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Solution

The fourth proportional to 2,220,123.60, 3,330,185.40 and 1,889,449.20 is: 2,834,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,123.60 : 3,330,185.40 = 1,889,449.20 : x
  2. Step 2: Convert to fraction form
    2,220,123.60/3,330,185.40 = 1,889,449.20/x
  3. Step 3: Cross multiply
    2,220,123.60x = 3,330,185.40 × 1,889,449.20
  4. Step 4: Simplify right side
    2,220,123.60x = 6,292,216,139,881.68
  5. Step 5: Solve for x
    x = 6,292,216,139,881.68/2,220,123.60
  6. Step 6: Final answer
    x = 2,834,173.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.